42404440242 has 16 divisors (see below), whose sum is σ = 85016242080. Its totient is φ = 14100253152.

The previous prime is 42404440241. The next prime is 42404440249. The reversal of 42404440242 is 24204440424.

It is not an unprimeable number, because it can be changed into a prime (42404440241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8637408 + ... + 8642315.

It is an arithmetic number, because the mean of its divisors is an integer number (5313515130).

Almost surely, 2^42404440242 is an apocalyptic number.

42404440242 is an abundant number, since it is smaller than the sum of its proper divisors (42611801838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42404440242 is a wasteful number, since it uses less digits than its factorization.

42404440242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17280137.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42404440242 its reverse (24204440424), we get a palindrome (66608880666).

The spelling of 42404440242 in words is "forty-two billion, four hundred four million, four hundred forty thousand, two hundred forty-two".